1916675556 has 12 divisors (see below), whose sum is σ = 4472242992. Its totient is φ = 638891848.

The previous prime is 1916675539. The next prime is 1916675561. The reversal of 1916675556 is 6555766191.

1916675556 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1916675499 and 1916675508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79861470 + ... + 79861493.

It is an arithmetic number, because the mean of its divisors is an integer number (372686916).

Almost surely, 2^1916675556 is an apocalyptic number.

It is an amenable number.

1916675556 is an abundant number, since it is smaller than the sum of its proper divisors (2555567436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916675556 is a wasteful number, since it uses less digits than its factorization.

1916675556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159722970 (or 159722968 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 51.

The square root of 1916675556 is about 43779.8533117689. The cubic root of 1916675556 is about 1242.1752393144.

The spelling of 1916675556 in words is "one billion, nine hundred sixteen million, six hundred seventy-five thousand, five hundred fifty-six".